| 000 | 00355nam a2200133Ia 4500 | ||
|---|---|---|---|
| 100 | _aRivers, William L.; Schramm, Wilbur & Christians, Clifford G. | ||
| 020 | _a0-06-013594-8 | ||
| 250 | _a3rd Ed | ||
| 942 | _cBK | ||
| 245 | _aResponsibilityn in mass communication | ||
| 260 |
_aHarper & Row, New york _c1980 |
||
| 082 | _a384 Riv | ||
| 300 | _app.v, 378 | ||
| 999 |
_c14779 _d14779 |
||